People sensitive to grass pollen may experience the symptoms of asthma in response to allergens on
A) pollen grains blown into the nasal passages.
B) pollen grains inhaled into the bronchi.
C) starch granules from burst pollen grains, inhaled into the bronchi.
D) pollen grains entering the respiratory system.
E) starch granules from burst pollen grains, blown into the nasal passages.

Question

Quizplus · Accepted Answer

Starch granules from burst pollen grains can be small enough to penetrate deep into the bronchi, triggering asthma symptoms in sensitive individuals.

People Sensitive to Grass Pollen May Experience the Symptoms of Asthma